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April 4, 2023 Service bulletin

Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON"....

Mercedes-Benz technical service bulletin LI82.20-P-074734 for 2019-2023 Mercedes-Benz CLA250, 2019-2023 Mercedes-Benz GLE 350 and 2020-2023 Mercedes-Benz GLA 250 and others.

Bulletin number
LI82.20-P-074734
Component
Electrical system
Summary
Complaint Ambient lighting malfunctions sporadically, mainly in the Ocean Blue color value and with animation "ON". After the next ignition cycle, the ambient lighting functions again correctly. Cause Software in coupling elements (EKE) faulty. The coupling element software cannot be updated in After-Sales. Remedy In a complaint case, replace the respective wiring harness (coupling elements are installed on the wiring harness) for ambient lighting.

Owners of these vehicles have filed 143 complaints in the electrical category.

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